Deriving a 32-byte seed from a 32-bit unsigned integer https://github.com/polkadot-fellows/JIPs/blob/7048f79edf4f4eb8bfe6fb42e6bbf61900f44c65/JIP-5.md#trivial-seeds
Deriving a 32-byte seed from a 32-bit unsigned integer https://github.com/polkadot-fellows/JIPs/blob/7048f79edf4f4eb8bfe6fb42e6bbf61900f44c65/JIP-5.md#trivial-seeds